Bull-roarer

1 definition found
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Bull-roarer \Bull"-roar`er\, n.
A contrivance consisting of a slat of wood tied to the end of
a thong or string, with which the slat is whirled so as to
cause an intermittent roaring noise. It is used as a toy, and
among some races in certain religious rites.
[Webster 1913 Suppl.]